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Rockwill Standard Recloser

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What is the standard of Rockwill Auto Recloser?

Rockwill Auto Recloser is a flexible pole mounted outdoor vacuum switching device that can trip and reclose up for a temporary distribution line fault. It reduces the blackout time greatly and improves the stability of power grid operation. The operation status also can be controlled and monitored by mobile phone and SCADA system.

Rockwill standard auto recloser is fully meet the Standard IEC62271-111 & ANSI/IEEE C37.60. Fully follow the above standard for type test and routine test. Additional functions reuirement is offered, like: ESKOM standard, TANESCO standard, BPC standard, SEC standard, DEC, Meralco, KPLC, BREB, etc. Besides, Rockwill even provide with patent design for new recloser.


RCW+ Auto Recloser

RCW+ type auto recloser is ANSI/IEC standardized plus design products which is equipped with one magnetic actuator mechanism, one manual closing/opening/Locking device, 3 current sensors, max 6 voltage sensors, with more functional like protection curves + curves programble, coodination logics + logics  programble,  programble communication protocols(Modbus, DNP3.0, IEC 60870-5-101/104), PC software, APP control tool, etc.

RCW+ type auto circuit recloser is a solid insulation reclosure with zero pressure Sf6 GAS sealed. with high creepage design, higher insulation level,  suit using for Maximum 42kV level sytem. 

It's vacuum interrupting technology, and IP67 IP protection class, It avoid any bad influence high polution enviroment of humidity, salt or alkali incursion or small animal,etc...



● Main technical data of auto recloser

N

Item

Unit

Data

1

Rated max voltage

kV

12

15

27

38

2

Rated current

A

630/800/1250

3

Rated frequency

HZ

50/60

4


Power frequency 1min


Dry

kV


45

55

65

95

Wet

30

45

55

80

5

Lightning impulse withstand voltage(peak)

kV

75/95*

95/100*

125/150*

170/200*

6

Rated short circuit breaking current

kA

12.5/16/20/25*

7

Rated short current switching current(peak)

kA

31.5/40/50/63*

8

Rated peak value withstand current

kA

31.5/40/50/63*

9

4S short time withstand current

kA

12.5/16/20/25*

11

Rated operating circulate

 

O-0.5S-CO-2S-CO-2S-CO

10

Breaking current frequency under rated short circuit

time

200

12

Mechanism life

time

10000

13

Secondary loop 1 min power frequency withstand

kV

2

14

Auxiliary voltage supply

Vac

220±20%

15

Battery bank

Vdc

12×2

16

Capacitor unit

Vdc

220



Rockwill's recloser gather multi relay protections like:

EF1/EF2

SEF1/SEF2

Cold Load Pickup

Live Load Blocking

Oscillography Capture capability

Programmable Logic

4 Independent Protection Groups

Advanced Automation

Harmonic Protection and Monitoring

Hot Line Tag Capability

Negative Phase Sequence Overcurrent

Inverse Time Protection

Live Line Function & Hot Line Tag Function

Definite Time Protection

Directional Sensitive ground Fault Protection

Two fast-two slow curves

Phase (OV1) & Line-to-Line (OV2) Over Voltage

Temporary Time Addition

Directional over current and ground fault protection

Voltage Protection Element

Phase under-voltage balanced element (UV1)

Logic program-able function

Phase-to-Phase Under-voltage Element (UV2)

Zone Sequence Co-ordination

Loss of Supply (UV3)

High set Instantaneous element

Voltage Sag Protection (UV4 Sag)

Power Quality monitoring including Systems Performance Indices, Voltage Sags and Swells

Voltage reclose control with automatic back feed(restoration provides loop automation functionality)

If you want more functions, pls consult with us!

Part Number

RCW15M/630-20

RCW27M/630-20

RCW38M/630-20

Current Sensing

3 x Current Transformers

3 x Current Transformers

3 x Current Transformers

Voltage Sensing

3 x Voltage Sensors

3 x Voltage Sensors

3 x Voltage Sensors

Control Type

RWK-351

RWK-351

RWK-351



Rockwill T&D Group is a high-tech enterprise specializing in developing, manufacturing and marketing power transmission and distribution products.

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